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<p><i>Echinococcus multilocularis</i> (<i>Em</i>) is a neglected zoonotic cestode circulating among wild canids and voles across the northern hemisphere, and is the aetiological agent of alveolar echinococcosis in humans. The expansion of the European distribution of this parasite has been raising public health concerns in recent decades. We aimed to investigate the occurrence of <i>Em</i> and other taeniids in wild carnivore faeces in the Apuan Alps Regional Park and the Monte Pisano mountain chain (northern Tuscany), a few hundred kilometres from the nearest report of <i>Em</i> in Italy. Using standard flotation-sieving and nested PCR of partial <i>cox1</i> sequences on single harvested Taeniid eggs, we detected several <i>Em</i> haplotypes in red foxes and grey wolves in both study areas, suggesting limited genetic diversity. However, these findings could not be confirmed using more sensitive qPCR probes from the same samples. In addition, we report eggs of <i>Taenia krabbei</i> and <i>T. hydatigena</i> from wolves, <i>Dipylidium caninum</i> and <i>Mesocestoides</i> sp. in foxes, and <i>T. polyacantha</i> and <i>Mesocestoides litteratus</i> in both foxes and mustelids. Further investigation of the distribution of <i>Em</i> in the northern Apennines is necessary to assess if the presence of this potentially lethal zoonotic parasite is stable and expanding southward.</p>

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New evidence from the northern Apennines, Italy, suggests a southward expansion of Echinococcus multilocularis range in Europe

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2025年3月1日

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  • Salvatore Andrea Cafiero,
  • Luca Petroni,
  • Luca Natucci,
  • Orlando Tomassini,
  • Thomas Romig,
  • Marion Wassermann,
  • Chiara Rossi,
  • Heidi Christine Hauffe,
  • Adriano Casulli,
  • Alessandro Massolo

摘要

Echinococcus multilocularis (Em) is a neglected zoonotic cestode circulating among wild canids and voles across the northern hemisphere, and is the aetiological agent of alveolar echinococcosis in humans. The expansion of the European distribution of this parasite has been raising public health concerns in recent decades. We aimed to investigate the occurrence of Em and other taeniids in wild carnivore faeces in the Apuan Alps Regional Park and the Monte Pisano mountain chain (northern Tuscany), a few hundred kilometres from the nearest report of Em in Italy. Using standard flotation-sieving and nested PCR of partial cox1 sequences on single harvested Taeniid eggs, we detected several Em haplotypes in red foxes and grey wolves in both study areas, suggesting limited genetic diversity. However, these findings could not be confirmed using more sensitive qPCR probes from the same samples. In addition, we report eggs of Taenia krabbei and T. hydatigena from wolves, Dipylidium caninum and Mesocestoides sp. in foxes, and T. polyacantha and Mesocestoides litteratus in both foxes and mustelids. Further investigation of the distribution of Em in the northern Apennines is necessary to assess if the presence of this potentially lethal zoonotic parasite is stable and expanding southward.